/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePurchaseInterface.h
Delegate called when checkout process completes, this delegate is used when the entitlement or receipt information of the purchase is not needed by the caller.
typedef TBaseDelegate_OneParam< void, const [FOnlineError](API\Plugins\OnlineSubsystem\FOnlineError) & > FOnPurchaseReceiptlessCheckoutComplete